patch 9.0.0655: passing modifier codes to a shell running in the GUI

Problem:    passing modifier codes to a shell running in the GUI. (Gary
            Johnson)
Solution:   Include modifier codes into the key and drop the modifiers.
diff --git a/src/proto/term.pro b/src/proto/term.pro
index 13a093c..7ce14b9 100644
--- a/src/proto/term.pro
+++ b/src/proto/term.pro
@@ -86,5 +86,5 @@
 void swap_tcap(void);
 void ansi_color2rgb(int nr, char_u *r, char_u *g, char_u *b, char_u *ansi_idx);
 void cterm_color2rgb(int nr, char_u *r, char_u *g, char_u *b, char_u *ansi_idx);
-int term_replace_bs_del_keycode(char_u *ta_buf, int ta_len, int len_arg);
+int term_replace_keycodes(char_u *ta_buf, int ta_len, int len_arg);
 /* vim: set ft=c : */